Israel's cellphone surveillance for coronavirus contact-tracing may have overcome challenges by privacy watchdogs, but the state tracking policy is hard put to deal with low-tech evasion methods seemingly lifted from TV cop shows.
Some Israelis, fearing a quarantine order after unwittingly being near a coronavirus carrier, are rendering themselves untraceable while in public by switching their cellphones to "airplane mode" or using prepaid "burner" SIM cards instead.
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Such actions are not illegal and, although there is only anecdotal evidence for their prevalence, they drew remonstration from Communications Minister Yoaz Hendel on Sunday.
"This is a problem," he said. "Ultimately, we are not a police state. We will not manage to compel the public to keep to the health regulations."
The surveillance, initially instituted without parliamentary oversight by Prime Minister Benjamin Netanyahu as part of Israel's emergency regulations seeking to defeat the pandemic, has been anchored in legislation at the behest of Israel's High Court of Justice after it heard challenges by civil liberties groups who worry the mass-surveillance is ripe for abuse.
Modeled on counterterrorism technology and in force since March, the system back-tracks movements of people who have tested positive for the virus to determine who came within 2 meters (yards) of them for more than 15 minutes while they were infectious.
Having been identified by their own cellphone locations, these potential new carriers are then ordered over SMS to self-isolate for a period of 14 days from the moment of exposure.
Around 80,000 people per week have received such notifications since July 1, according to officials - an economic drag for a country of 9 million.
Officials say the surveillance has detected some 30% of coronavirus cases in Israel. They also acknowledge a false-positive rate of around 16%, sometimes due to a vertical blind-spot in the technology which risks flagging people above or below a coronavirus carrier in a multistory building.
Such instances may be overturned on appeal - a process that can take several days, during which the quarantine is in force.
Israel offers a voluntary coronavirus app, HaMagen, whose latest upgrade includes Bluetooth contact-tracing for greater precision. But with users complaining about battery drainage, its market penetration has been far below the 60% required for the state surveillance technology to be dropped, officials say.
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